A polynomial function can be written as (x - 1) (x - 4) (x + 7). What are the x-intercepts of the graph of this function?

a (1, 0), (4, 0), (7, 0)

b (-1, 0), (-4, 0), (-7, 0)

c (1, 0), (4, 0), (-7, 0)

d (-1, 0), (-4, 0), (7, 0)

Question

11 November, 13:13

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Answers (1)

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Larissa Campbell · Answer 1

(x - 1) (x - 4) (x + 7) = 0 ⇔ x - 1 = 0 or x - 4 = 0 or x + 7 = 0

x = 1 or x = 4 or x = - 7

Answer: c. (1; 0); (4; 0); (-7; 0)

A polynomial function can be written as (x - 1) (x - 4) (x + 7). What are the x-intercepts of the graph of this function?a (1, 0), (4, 0), (7, 0)b (-1, 0), (-4, 0), (-7, 0)c (1, 0), (4, 0), (-7, 0)d (-1, 0), (-4, 0), (7, 0)